On Thu, May 24, 2018 at 02:18:56PM +0200, Gilles Chehade wrote:
> Hi,
>
> I have just committed a major change in smtpd that'll require smtpd.conf
> to be rewritten before your update to the new code.
>
> The new grammar is not TOO different from the former one, a lot of stuff
> remains exactly identical, but the ruleset is now split into two parts:
>
> - a named action
> - a matching pattern which is associated to a named action
>
> In effect, instead of having:
>
> accept from any for local deliver to mbox
>
>
> You will have:
>
> action "my_action" mbox
>
> match from any for local action "my_action"
>
>
> There are a few keywords that have been shortened too but all in all the
> switch to new grammar is easy, the smtpd.conf man page has been updated,
> and it continues being improved thanks to ingo and jmc.
>
> The man page by itself should be enough to do the switch.
>
> Since this is quite a major change, I also wrote a post that describes a
> conversion of my own complex smtpd.conf to new grammar:
>
> https://poolp.org/posts/2018-05-21/switching-to-opensmtpd-new-config/
>
>
> I have also compiled a list of directives recognized by the parser which
> I intend to use for regress tests:
>
> https://poolp.org/~gilles/smtpd.conf
>
>
> As for the reasons behind the change they are numerous, I explained some
> at EuroBSDCon 2017, I explained some on my blog, the bottom line is that
> while one-line rules were apparently an awesome idea, they were actually
> a design error that had consequences on pretty much the entire daemon.
>
> We didn't realize it until a few months ago, we tried hard to maintain a
> one-line rule grammar but it became more and more obvious that this just
> isn't doable without creating issues and unnecessary complexity.
>
> The new grammar is cleaner, it helped remove ~700 lines of complex code,
> made the handling of .forward files as well much safer, removed a lot of
> very unpleasant side-effects most people didn't even realize existed ...
> until they hit that one case for which we had no way to work around.
>
>
> Anyways,
> looking forward for you to test and report how it works for you :-)
>
>
> --
> Gilles Chehade
>
> https://www.poolp.org @poolpOrg
>
Hi,
I upgraded my laptop and VM both to the latest snapshot this morning, and
migrated the configuration for smtpd.conf to the new grammar. No issues
to report and I like the new format!
Regards,
Leighton
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